attributeerror numpy ndarray object has no attribute append

understanding the error

in python, lists have an `append` method that adds an element to the end of the list. however, numpy arrays are fixed in size when they are created, and you cannot simply append elements to them. instead, you need to create a new array that includes the additional elements.

solutions

to "append" elements to a numpy array, you can use the following methods:

code example

here’s an example demonstrating the error and how to properly append elements to a numpy array.

explanation of the code

1. **initial array creation**: we create a 1d numpy array `arr` containing three elements.

conclusion

when working with numpy arrays, remember that they do not ...

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